Portion of a game controller



FIG. 1 is a front perspective view of a portion of a game controller showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of various regions including any respective unshaded region therewithin, and the remainder of the game controller is for illustrative purposes only and forms no part of the claimed design. The broken lines, which define the bounds of the claimed design, form no part thereof. 

The ornamental design for a portion of a game controller, as shown and described. 